Method for making off-set louvered heat exchanger fin

Details Method for making off-set louvered heat exchanger fin Method for making off-set louvered heat exchanger fin

1995-09-15

1997-06-03

Cuda, Irene

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

29890045, B23P 1526

Patent

active

056342705

ABSTRACT:
A heat exchanger assembly (10) includes a pair of tanks (16, 18) with a plurality of flat-sided fluid tubes (20) extending between the tanks (16, 18). Fins (22) may be located externally between adjacent fluid tubes (20), and may be located internally within each fluid tube (20) for increasing heat exchange. The fins (22) are formed by a plurality of undulations (32) establishing lengths of walls (34) between peaks (36) of the undulations (32). The walls (34) include a plurality of slits (44) therein forming panels (42) between adjacent slits (44). The panels (42) are "randomly" deformed of various contours to extend at various distances from the walls (34) to increase heat exchange.

REFERENCES:
patent: 3265127 (1966-08-01), Nickol et al.
patent: 3433044 (1969-03-01), Rhodes et al.
patent: 3521707 (1970-07-01), Brown
patent: 3810509 (1974-05-01), Kun
patent: 3845814 (1974-11-01), Kun
patent: 4071934 (1978-02-01), Zolman et al.
patent: 4815532 (1989-03-01), Sasaki et al.
patent: 4821795 (1989-04-01), Lu

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